zws.com – Embedded Design Services

“This is a second-generation vending machine controller project featuring Secure Digital/MMC slot for auditing and audio data, telephone-quality audio output, and a large number of relay and Darlington outputs (most are factory-configurable for either mode) and optoisolated inputs. Also features on-board diagnostics and calibration routines, and simple configuration via a text file on the SD/MMC card.”

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